A randomized 25 question test from a pool of 761 questions, good luck!
There are numerous I/O modules that a typical DCS has access to. Which of the modules below is described as one that maps the data from up to 16 field devices that it supports?
A typical HMI has several subsystems attached to it. Which of the subsystems below would be involved in the guardianship HMI operating system?
Of the problems below, Which would be best mitigated by termination resistors?
The (DA) server in a SCADA system administers remote site communications. Which of the environments below would the (DA) server reside?
In the protocol specifications of Modbus, there are only four types of registers that can be accessed by the master. Which of the answers below expresses the register size and permissions of an input register?
Data communication in a DCS takes the form of various net works. Which of the networks below would connect FCEs, field devices and sensors?
IPv4 network classes can also be defined by the default subnet masks that they use. If the subnet mask was 255.0.0.0, which of the classes below would be used?
Which of the wire types below is best suited for networks in office or business environments?
Which of the answers below best describes the role of a modem in a signal transmission system?
Due to the uncomplicated nature of the Modbus frame structure, it requires a simple access method. Which of the access methods below is a method that this frame structure supports?
There are several layers in the DCS architecture. Which of the levels below would have direct control over the systems FCEs?
Which of the answers below is not an advantage of digital communications to field devices?
The data packet of an asychronous transmission contains _____ distinct types of bits. Choose the best answer to fill in the blank from the options below.
Communication technology is generally specific to a type of area network. Which of the area networks below would IDSN and VPN be used primarily?
Redundant capability is critical for any DCS. Which of the redundancies below would allow the system not to be hampered by faults in critical systems and controllers?
Which of the answers below best represents the most common way to indicate the range of frequencies that can be used for a transmission system with little or no attenuation?
A HMI requires secure access to it's configuration database. Which of the terms below is best described as engineering level software package?
There are various subsystems within any HMI. Which of the tasks below would be the primary responsibility of the alarm subsystem?
IPv4 network classes can also be defined by the IP address they use. Which of the answers corresponds best to the address in row "C"?
Which of the cables below is best used for the trunk cabling of the DeviceNet transmission system?
Which answer below is best described as the RS-485 standard for voltage range to transmit a "Space"?
Software for programming or configuration is an integral part of any HMI. Which of the interfaces below can be best described as where the bulk of the GUI applications are configured?
Which of the messaging types below is best described as communication by sending a command, initiated by the scanner module, to all field device on the segment?
In IPv4, the user datagram protocol has less latency and measurable greater data throughput. Which of the answers below can be a drawback of this protocol?
Message frames are the result of organizing network messages so that the transmission of between network points is one block. Which of the answers below shows a simplified message frame components in the correct order?